**Vacuum Block Valves**
This series of vacuum block valves includes manual, pneumatic, and electromagnetic types. The design is both practical and aesthetically pleasing, making it ideal for a wide range of applications. These valves are known for their stability, compact size, durability, excellent sealing performance, and long service life, ensuring reliable operation in demanding environments.
**Key Features:**
1. **Simple Structure:** Easy to assemble, maintain, and replace parts.
2. **Easy Cleaning:** Designed with smooth surfaces that facilitate quick and efficient cleaning.
3. **Energy-Efficient Electromagnetic Valves:** Compact in size and optimized for low power consumption.
**Main Performance Parameters:**
- **Working Pressure Range:**
- 1×10â»â¶ PA to 1.2×10âµ PA (Bellows sealed)
- 1×10â»âµ PA to 1.2×10âµ PA (Viton O-ring sealed)
- **Differential Pressure Before Valve Opening:** ≤ 1.2×10ⵠPA, in any direction
- **Leak Rate of Valve Body and Base:** ≤ 1.3×10â»â· PA·L/s
- **Cycles Until First Maintenance:** 200,000 times
- **Baking Temperature of Valve Bodies:** ≤ 150°C
**Installation Position:**
- **Manual Valves:** Can be installed in any direction
- **Pneumatic Valves:** Can be installed in any direction
- **Electromagnetic Valves:**
- Bellows sealed: Installed in any direction
- Viton O-ring sealed: Sealed surface must face the vacuum
**Power Supply:**
- **Pneumatic Valves:** AC 220V 50Hz, 6W or DC 24V, 3W (custom specifications available)
- **Electromagnetic Valves:** AC 220V/230V 50Hz, Starting Power 800W / Working Power 8W
**Compressed Air (for Pneumatic Valves Only):** 0.4–0.7 MPa
**Valve Switching Time:**
- **Pneumatic Valves:** ≤ 1 second
- **Electromagnetic Valves:** Open ≤ 0.1s; Close ≤ 1s (Viton O-ring sealed); Close ≤ 0.5s (Bellows sealed)
**Valve Position Indication:**
- **Manual Valves:** Clear indication of open and closed positions
- **Pneumatic Valves:** Indicator with magnet switch for position feedback
- **Electromagnetic Valves:** Indicator showing the open position
**Order Number Table:**
| Order No. (mm) | DN (mm) | Stainless Steel Manual LF | Stainless Steel Manual GB-LP | Stainless Steel Pneumatic LF | Stainless Steel Pneumatic GB-LP |
|----------------|----------|---------------------------|-------------------------------|------------------------------|----------------------------------|
| | | 1 | 2 | 1 | 2 |
| 63 | 2067 | 2023 | 2068 | 2024 | 2265 |
| 80 | 2069 | 2025 | 2070 | 2026 | 2267 |
| 100 | 2071 | 2027 | 2072 | 2028 | 2269 |
| 160 | 2073 | 2029 | 2074 | 2030 | 2271 |
| 200 | _ | _ | _ | 2273 | 2274 |
| 250 | _ | _ | _ | 2275 | 2276 |
These vacuum block valves are widely used in semiconductor manufacturing, vacuum systems, and other precision industrial applications where high reliability and performance are essential. Whether you need manual, pneumatic, or electromagnetic control, this series offers a versatile and durable solution for your vacuum system needs.
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